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Specifications of Questar™
Polyester Film
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| Property | Typical Value | Unit | Test Method |
| Gauge & Type End Use | CI-100/92 Gauge Industrial Specialties | ------------------- | ------------------- |
| Ultimate Tensile Strength, MD
TD |
28,000
34,000 |
psi
psi |
ASTM D 882
ASTM D 882 |
| Strength at 5%
Elongation MD (F-5), TD |
15,000
14,000 |
psi
psi |
ASTM D 882
ASTM D 882 |
| Modulus, MD
TD |
710,000
740,000 |
psi
psi |
ASTM D 882
ASTM D 882 |
| Elongation, MD
TD |
110
90 |
%
% |
ASTM D 882
ASTM D 882 |
| Surface Roughness | 38 | nm | Optical Profilometer |
| Density | 1.390 | g/cc | ASTM D 1505 |
| Viscosity | 0.56 | dL/g | ASTM D 4603 |
| Melt Point | 254 | C | Differential Scanning Calorimeter |
| Dimensional Stability
at 105 C MD TD at 150 C MD TD |
0.6 0.3 1.8 |
% % % % |
Lab Lab Lab Lab |
| Specific Heat | 0.28 | cal/g/ C | -------------------- |
| Coefficients of
Thermal Expansion Thermal Conductivity (Questar 1000 Gauge) |
1.7 x 1010-5
3.7 x 1010-4 |
in/in/ C
cal.cm cm2/sec/ C |
ASTM D 696
30 C-50 C 25 C-75 C |
| UL 94 Flame Class | 94 VTM-2 | Slow to self-extinguishing | -------------------- |
| The information contained here in is given by Filmquest free of charge. It is upon technical data that Filmquest believes to be reliable and is intended for use by persons having knowledge of this technical area at their own discretion and risk. Filmquest assumes no responsibility for results obtained or damages incurred from the use of this information either in whole or in part by a buyer of Questar™polyester film. |
Typical Electrical Properties
| Property | Typical Value | Unit | Test Method |
| Dielectric Strength
AC, 25 C, 92 gauge |
7,000 | volts/mil | ASTM D149-64 |
| Dielectric Constant 25 C, 1 kHz | 3.2 | ------ | ASTM D150-81 |
| Dissipation Factor 25 C, 1 kHz | 0.005 | ------ | ASTM D150-65 |
| Volume Resistivity 25 C,1 kHz | 1018 | ohm-cm | ASTM D250-78 |
| Surface Resistivity 23 C, 30%
Relative Humidity |
1016 | ohm/square | ASTM D257-78 |
| Corona Threshold
Voltage, 92 gauge |
425 | V-AC | ASTM D2275-80 |
Yields for Questar™ Polyester Film
| Gauge | ft 2/lb | in. 2/lb | lb/ft 2 | lb/thousand in. 2 |
| 30 | 437.5 | 63,000 | 0.00228 | 0.015 |
| 48 | 287.1 | 41,333 | 0.00348 | 0.0242 |
| 57 | 241.8 | 34,807 | 0.00414 | 0.0287 |
| 75 | 183.7 | 26,453 | 0.00544 | 0.0378 |
| 92 | 149.8 | 21,565 | 0.00668 | 0.0464 |
| 142 | 97.0 | 13,972 | 0.01030 | 0.0716 |
| 200 | 68.9 | 9,920 | 0.01451 | 0.1008 |
| 265 | 52.0 | 7,487 | 0.01923 | 0.1336 |
| 275 | 50.1 | 7,215 | 0.01966 | 0.1386 |
| 300 | 45.9 | 6,613 | 0.02177 | 0.1512 |
| 375 | 36.7 | 5,291 | 0.02721 | 0.1890 |
| 390 | 35.3 | 5,087 | 0.02830 | 0.1966 |
| 400 | 34.5 | 4,960 | 0.02903 | 0.2016 |
| 423 | 32.6 | 4,960 | 0.03070 | 0.2132 |
| 460 | 30.0 | 4,313 | 0.03338 | 0.2319 |
| 470 | 29.3 | 4,221 | 0.03411 | 0.2369 |
| 500 | 27.6 | 3,968 | 0.03628 | 0.2520 |
| 650 | 21.2 | 3,052 | 0.04717 | 0.3276 |
| 692 | 19.9 | 2,867 | 0.05022 | 0.3488 |
| 700 | 19.7 | 2,834 | 0.05080 | 0.3528 |
| 750 | 18.4 | 2,645 | 0.05443 | 0.3780 |
| 800 | 17.2 | 2,480 | 0.05806 | 0.4032 |
| 850 | 16.2 | 2,334 | 0.06168 | 0.4284 |
| 900 | 15.3 | 2,204 | 0.06531 | 0.4536 |
| 950 | 14.5 | 2,088 | 0.06894 | 0.4788 |
| 1000 | 13.8 | 1,984 | 0.07257 | 0.5040 |
| 1100 | 12.5 | 1,804 | 0.07983 | 0.5544 |
| 1200 | 11.5 | 1,653 | 0.08708 | 0.6048 |
| 1300 | 10.6 | 1,526 | 0.09434 | 0.6552 |
| 1400 | 9.8 | 1,417 | 0.10160 | 0.7056 |
| 1500 | 9.2 | 1,323 | 0.10885 | 0.7650 |
Questar™ Polyester Film Roll Lengths (ft)
| Gauge | Single (1x) |
Double (2x) |
Quad (4x) |
Master1 (6x) |
Jumbo2 (8x) |
| 30 | 15,000 | 31,500 | 63,000 | 90,000 | 120,000 |
| 48 | 10,000 | 20,000 | 41,000 | 60,000 | 80,000 |
| 60 | 8,000 | 16,000 | 33,000 | 48,000 | 65,000 |
| 92 | 5,000 | 10,000 | 21,000 | 30,000 | 40,000 |
| 142 | 3,500 | 7,000 | 14,000 | 21,000 | 25,000 |
| 200 | 2,500 | 5,000 | 10,000 | 15,000 | 20,000 |
| 300 | 1,700 | 3,500 | 7,000 | 10,500 | 14,000 |
| 400 | 1,250 | 2,500 | 5,000 | 7,500 | 10,000 |
| 500 | 1,000 | 2,000 | 4,000 | 6,000 | 8,000 |
| 700 | 750 | 1,500 | 3,000 | 4,500 | 6,000 |
| 750 | 650 | 1,300 | 2,700 | 4,000 | 5,400 |
| 1000 | 500 | 1,000 | 2,000 | 3,000 | 4,000 |
| 1400 | 350 | 700 | 1,400 | 2,100 | 3,000 |
1 Custom lengths available
2 Select availability
Questar™ Polyester Film Roll Configurations
| Length | lbs. per inch of width | 3" Core | 6" Core 3 | 10" Core 3 |
| Single | 3.1 | 9-1/2" O.D. | 11" O.D. | N/A |
| Double | 6.1 | 13" O.D. | 14" O.D. | N/A |
| Quad | 12.3 | 17" O.D. | 18-1/2" O.D. | 20-1/2" O.D. |
| Master | 18.1 | N/A | 22-1/2" O.D. | 24" O.D. |
| Jumbo | 24.5 | N/A | 25-1/2" O.D. | 27" O.D. |
3 Extended cores available by request
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